.header {
    border: 0;
    background-position: 0 100%;
    background-repeat: repeat-x;
    -webkit-background-size: 100% 1px;
    background-size: 100% 1px;
    background-image: -webkit-gradient(linear, left top, left bottom, color-stop(50%, transparent), color-stop(50%, #dbdbdb));
    background-image: linear-gradient(180deg, transparent 50%, #dbdbdb 0);
}

.header {
    height: 1.17333rem;
    line-height: 1.17333rem;
    overflow: hidden;
    font-size: .37333rem;
    background-color: #fbfbfa;
    text-align: center;
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
    position: relative;
}

.header-left, .header-right {
    -ms-flex-negative: 0;
    -webkit-flex-shrink: 0;
    flex-shrink: 0;
}
.header-left {
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -ms-flex-wrap: nowrap;
    -webkit-flex-wrap: nowrap;
    flex-wrap: nowrap;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}
.header-left, .header-right {
    z-index: 2;
    height: 1.17333rem;
    line-height: 1.17333rem;
    position: relative;
}

.header-left-button {
    padding-right: .13333rem;
}

.header-left-button, .header-right-button {
    display: block;
    padding: 0 .4rem;
    height: 100%;
    font-size: .42667rem;
}

.header-left-button .icon-back, .header-right-button .icon-back {
    font-size: .69333rem;
}

.header-title {
    height: 1.17333rem;
    line-height: 1.17333rem;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    z-index: 1;
    -webkit-flex-shrink: 1;
    -ms-flex-negative: 1;
    flex-shrink: 1;
    -webkit-box-flex: 1;
    -webkit-flex-grow: 1;
    -ms-flex-positive: 1;
    flex-grow: 1;
    overflow: hidden;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
}

.header-title>h1 {
    font-size: .48rem;
    font-weight: 400;
    max-width: 100%;
    width: 100%;
    overflow: hidden;
    white-space: nowrap;
    word-break: keep-all;
    text-overflow: ellipsis;
    width: auto;
}

.checkout-header .countdown {
    margin-left: .08rem;
    height: 100%;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}